diff --git a/addons/point_of_sale/static/src/app/screens/product_screen/product_screen.js b/addons/point_of_sale/static/src/app/screens/product_screen/product_screen.js
index 5705974625a..38fe8467e76 100644
--- a/addons/point_of_sale/static/src/app/screens/product_screen/product_screen.js
+++ b/addons/point_of_sale/static/src/app/screens/product_screen/product_screen.js
@@ -363,10 +363,10 @@ export class ProductScreen extends ControlButtonsMixin(Component) {
                 return true;
             }
             if (newQuantity >= selectedLine.saved_quantity) {
+                selectedLine.set_quantity(newQuantity);
                 if (newQuantity == 0) {
                     order._unlinkOrderline(selectedLine);
                 }
-                selectedLine.set_quantity(newQuantity);
                 return true;
             }
             const newLine = selectedLine.clone();